"ID: " + printUint16(m.ID) + ", " +
		"Response: " + printBool(m.Response) + ", " +
		"OpCode: " + m.OpCode.GoString() + ", " +
		"Authoritative: " + printBool(m.Authoritative) + ", " +
		"Truncated: " + printBool(m.Truncated) + ", " +
		"RecursionDesired: " + printBool(m.RecursionDesired) + ", " +
		"RecursionAvailable: " + printBool(m.RecursionAvailable) + ", " +
		"AuthenticData: " + printBool(m.AuthenticData) + ", " +

	start := true
	printcomma := func() {
		if !start {
			print(", ")
		}
	}
	pi := 0
	slotIdx := uint8(0) // register arg spill slot index
printloop:
	for {
		o := p[pi]
		pi++
		switch o {
		case abi.TraceArgsEndSeq:
			break printloop
		case abi.TraceArgsStartAgg:
			printcomma()
			print("{")
			start = true
			continue
		case abi.TraceArgsEndAgg:
			print("}")